Re: I'm Sold on MMCs and RSGs! - Pics

[FutureT-at-xxxxxxx (by way of Terry Fritz <twftesla-at-xxxxxxxxxx>)]

In a message dated 11/27/00 2:46:06 PM Eastern Standard Time, 
tesla-at-pupman-dot-com writes:

> John, Andy, all,
>  
>  Is it safe to assume that the # of flats on the rotor is the quotient of
>  7200 and the motors synchronous RPMs? (3600 RPM = 2 flats,
>  1800 RPM = 4 flats, 1200 RPM = 6 flats, ect.)
>  
>  David Rieben

David,

That's correct. 

The disadvantage of slow motors, is longer mechanical
dwell time, which gives more likelyhood of "re-firing".  Also there
is less whipping of the air.  But slow motors are less critical
balance-wise.

John Freau